7 IZA Discussion Papers
IZA Discussion Paper No. 17214
IZA Discussion Paper No. 11108
published in: British Journal of Industrial Relations, 2020, 58 (3), 644-689.
IZA Discussion Paper No. 4746
published in: Personality and Individual Differences, 2011, 51 (3), 309-314
IZA Discussion Paper No. 4406
revised version published in: Journal of Economic Inequality, 2016, 14, 81 - 108
IZA Discussion Paper No. 3685
improved version is available here
IZA Discussion Paper No. 2254
published in: Annals of Public and Cooperative Economics, 2007, 78 (1), 57-86